CN207619485U - A kind of synthesis energy saving type steel-pushing type continuous heating furnace - Google Patents

Abstract

The utility model discloses a kind of synthesis energy saving type steel-pushing type continuous heating furnaces, including tapping hole, the side of tapping hole is provided with soaking zone, side of the soaking zone far from tapping hole is connected with bringing-up section, the roof of bringing-up section is provided with roof suspending device, roof suspending device includes water beam and sliding block and thermal insulation material, the top and top of roof suspending device are enclosed with thermal insulation material, water beam and sliding block are mounted on the centre position of roof suspending device, side of the roof suspending device far from bringing-up section is fixed with furnace roof, the bottom of furnace roof is equipped with preheating section, the one end of preheating section far from tapping hole is provided with steel import, the bottom part down of steel import is connected with flue and smoke evacuation system, the bottom part down of soaking zone is equipped with furnace bottom.The thermal efficiency can reach 50% or more when the utility model is used, to reduce furnace energy consumption can play the role of it is apparent, flue-gas temperature reduce and waste-heat recovery device, reduce pollution of the flue gas emission to environment, realize energy conservation and environmental protection.

Description

A kind of synthesis energy saving type steel-pushing type continuous heating furnace

Technical field

The utility model is related to heating furnace technical field more particularly to a kind of synthesis energy saving type steel-pushing type continuous heating furnaces.

Background technology

The steel industry modern continuous heating type of furnace can be classified as two major classes：Steel-pushing type stove and walking beam furnace.The two class type of furnaces Fundamental difference, the conveying mode being only that in stove.

During steel billet heats in stove at present, the oxidizing atmosphere in steel in metallic element and stove reacts and gives birth to Produce iron scale.Decarburization is that the carbon in steel diffuses to the surface simultaneously and caused by furnace atmosphere reaction.Billet oxidization burning loss Afterwards, lumber recovery is necessarily affected；The thermal conductivity of iron scale is excessively poor, has an impact to the heating time of steel billet；Iron scale falls off And it is deposited in furnace bottom, manual cleaning is extremely difficult, for this purpose, we have proposed a kind of synthesis energy saving type steel-pushing type continuous heating furnaces to come Solve the problems, such as this.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of synthesis energy saving type proposed Steel-pushing type continuous heating furnace.

To achieve the goals above, the utility model uses following technical solution：

A kind of synthesis energy saving type steel-pushing type continuous heating furnace, including tapping hole, the side of the tapping hole are provided with soaking Section, side of the soaking zone far from tapping hole are connected with bringing-up section, and the roof of bringing-up section is provided with roof suspending device, furnace roof hanging Device includes water beam and sliding block and thermal insulation material, and the top and top of roof suspending device are enclosed with thermal insulation material, water beam and Sliding block is mounted on the centre position of roof suspending device, and side of the roof suspending device far from bringing-up section is fixed with furnace roof, furnace roof Bottom preheating section is installed, the one end of preheating section far from tapping hole is provided with steel import, and the bottom part down of steel import is connected with The bottom part down of flue and smoke evacuation system, the soaking zone is equipped with furnace bottom, and side side of the furnace bottom far from tapping hole is provided with Buner system, and buner system is located at the bottom part down of bringing-up section.

Preferably, ceramic beaverboard, light-weight insulating brick, fiberboard containing zircon ceramic, mullite can be used in the thermal insulation material Castable, high-alumina brick, Low Cement Castable, clay brick, lightening casting material and Low Cement Castable are made.

Preferably, the preheating section uses ceramic beaverboard 50mm, light-weight insulating brick 232mm and Low Cement Castable system At, wherein castable lower part is clay brick, and width 464mm is highly 612mm.

Preferably, it is two-layer ceramic plate that the lower part of the furnace bottom, which uses light-weight insulating brick, thickness 320mm, middle part, above For high-alumina brick, thickness 320mm.

Preferably, the tapping hole and steel import are symmetricly set on the both sides of roof suspending device.

Preferably, burner is installed, burner is flat using flue gas multi-cycle oxygen deprivation in buner system buner system Flame burner nozzle.

The utility model has the beneficial effects that：

1, comprehensive using rich by the way that design is optimized to the selection of heating furnace body construction, thermal insulation material, burner The energy conservation measures such as oxygen burning, nano-spray technology, Blackbody element, flue gas waste heat recovery；

2, by taking synthesis energy saving measure, oxidization burning loss can be dropped to 1.0% hereinafter, steel billet production can be increased indirectly Amount, saving steel；The improvement of water beam and sliding block can effectively reduce black print；Black matrix technology and intelligence combustion control system can save combustion 20% or more gas consumption；

The thermal efficiency can reach 50% or more when the utility model is used, can be played significantly to reducing furnace energy consumption Effect, flue-gas temperature reduces and waste-heat recovery device, reduces pollution of the flue gas emission to environment, realizes energy conservation and environmental protection.

Description of the drawings

Fig. 1 be the utility model proposes a kind of synthesis energy saving type steel-pushing type continuous heating furnace structural schematic diagram；

Fig. 2 be the utility model proposes a kind of synthesis energy saving type steel-pushing type continuous heating furnace in part-structure sectional view.

In figure：1 tapping hole, 2 soaking zones, 3 bringing-up sections, 4 roof suspending devices, 5 furnace roofs, 6 preheating sections, 7 steel imports, 8 stoves Bottom, 9 buner systems, 10 flues and smoke evacuation system, 11 water beams and sliding block, 12 furnace walls and thermal insulation material.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-2, a kind of synthesis energy saving type steel-pushing type continuous heating furnace, including tapping hole 1, the side of tapping hole 1 are set It is equipped with soaking zone 2, side of the soaking zone 2 far from tapping hole 1 is connected with bringing-up section 3, and the roof of bringing-up section 3 is provided with furnace roof hanging Device 4, roof suspending device 4 include that water beam and sliding block 11 and thermal insulation material 12, the top and top of roof suspending device 4 are wrapped It is wrapped with thermal insulation material 12, water beam and sliding block 11 are mounted on the centre position of roof suspending device 4, and roof suspending device 4 is separate to be added The side of hot arc 3 is fixed with furnace roof 5, and the bottom of furnace roof 5 is equipped with preheating section 6, and the one end of preheating section 6 far from tapping hole is provided with The bottom part down of steel import 7, steel import 7 is connected with flue and smoke evacuation system 10, and the bottom part down of soaking zone 2 is equipped with furnace bottom 8, Side side of the furnace bottom 8 far from tapping hole 1 is provided with buner system 9, and buner system 9 is located under the bottom of bringing-up section 3 Side,

In the present embodiment, ceramic beaverboard, light-weight insulating brick, fiberboard containing zircon ceramic, Mo Lai can be used in thermal insulation material 12 Stone castable, high-alumina brick, Low Cement Castable, clay brick, lightening casting material and Low Cement Castable are made, and preheating section 6 uses Ceramic beaverboard 50mm, light-weight insulating brick 232mm and Low Cement Castable are made, wherein castable lower part is clay brick, width It is highly 612mm for 464mm, it is two-layer ceramic plate that the lower part of furnace bottom 8, which uses light-weight insulating brick, thickness 320mm, middle part, on Face is high-alumina brick, thickness 320mm, and tapping hole 1 and steel import 7 are symmetricly set on the both sides of roof suspending device 4, burner system Burner is installed, burner uses flue gas multi-cycle oxygen deprivation flat flame burner in system buner system 9.

It in the present embodiment, is staggeredly arranged using bringing-up section 3 and 2 longeron water pipe slipway location of soaking zone, water beam uses heavy wall Circular Pipe structure carries out deflecting in soaking zone to vertical water beam, improves heating quality to change the contact surface of steel billet and slideway, The heat-insulated hole of certain diameter is set by calculating in the middle part of sliding block, reduces heat transfer path area of the slider top to water pipe, together When hole in the high-temperature furnace gas that circulates can be effectively increased the temperature on sliding block top, to make steel billet and hot shoe contact part not produce Raw cooling effect area；Different temperatures section uses the sliding block of unlike material, all sliding blocks to be all made of vacuum precision casting, wherein sliding block Length suitably lengthen and the welding that misplaces, sliding block height increase on the original basis, using water beam inlet ramp and sliding block The method stepped up is excessive；Improve bringing-up section furnace temperature, extend steel billet heating furnace soaking time, to reduce blank heating section The black print brought.

The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of synthesis energy saving type steel-pushing type continuous heating furnace, including tapping hole（1）, which is characterized in that the tapping hole（1）'s Side is provided with soaking zone（2）, soaking zone（2）Far from tapping hole（1）Side be connected with bringing-up section（3）, bringing-up section（3）Top Wall is provided with roof suspending device（4）, roof suspending device（4）Including water beam and sliding block（11）And thermal insulation material（12）, furnace roof Erecting by overhang（4）Top and top be enclosed with thermal insulation material（12）, water beam and sliding block（11）Mounted on roof suspending device （4）Centre position, roof suspending device（4）Far from bringing-up section（3）Side be fixed with furnace roof（5）, furnace roof（5）Bottom peace Equipped with preheating section（6）, preheating section（6）One end far from tapping hole is provided with steel import（7）, steel import（7）Bottom part down connect It is connected to flue and smoke evacuation system（10）, the soaking zone（2）Bottom part down furnace bottom is installed（8）, furnace bottom（8）Far from tapping hole （1）Side side be provided with buner system（9）, and buner system（9）Positioned at bringing-up section（3）Bottom part down.

2. a kind of synthesis energy saving type steel-pushing type continuous heating furnace according to claim 1, which is characterized in that the thermal insulating material Material（12）Ceramic beaverboard, light-weight insulating brick, fiberboard containing zircon ceramic, mullite pouring material, high-alumina brick, low cement can be used to pour Material feeding, clay brick, lightening casting material and Low Cement Castable are made.

3. a kind of synthesis energy saving type steel-pushing type continuous heating furnace according to claim 1, which is characterized in that the preheating section （6）It is made of ceramic beaverboard 50mm, light-weight insulating brick 232mm and Low Cement Castable, wherein castable lower part is clay Brick, width 464mm are highly 612mm.

4. a kind of synthesis energy saving type steel-pushing type continuous heating furnace according to claim 1, which is characterized in that the furnace bottom （8）To use light-weight insulating brick, thickness 320mm, middle part be two-layer ceramic plate for lower part, be above high-alumina brick, thickness is 320mm。

5. a kind of synthesis energy saving type steel-pushing type continuous heating furnace according to claim 1, which is characterized in that the tapping hole （1）And steel import（7）It is symmetricly set on roof suspending device（4）Both sides.

6. a kind of synthesis energy saving type steel-pushing type continuous heating furnace according to claim 1, which is characterized in that buner system （9）Burner is inside installed, burner uses flue gas multi-cycle oxygen deprivation flat flame burner.